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Old 10-24-2013, 04:52 PM
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Join Date: Nov 2005
Location: taylorsville, nc
Posts: 352
Question 78 450 SL update - starting problem

For those of you kind enough to reply to the previous thread and anyone else. This diesel guy got tangled up with a gas job helping a neighbor who bought a 450 SL at an estate auction. Car is pristine but sat for 8 yrs. In tank fuel filter, line coming out and fuel pump plugged with shellac/rust. Put new filters, lines, pump on. Flushed other metal lines. Pulled injectors and cleaned them out with my diesel injector tester. Bled injectors as I would on a diesel. No start. Sprayed a touch of ether in, started then quit. When I crank it almost seems like it wants to start but won't. This is a mechanical injection system. Is there some trick or procedure I should know to get this started?
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Old 10-25-2013, 03:54 PM
meltedpanda's Avatar
Certified Benzaholic
Join Date: Mar 2003
Location: Central Ky
Posts: 6,070
are you getting fuel to the fuel rails( injectors) ?
sounds like fuel delivery or fuel pressure
Suggest you read up on Kjet systems, Need carefull step by step diagnostics or you will be chasing your tail.
if you PM me your email I can shoot you some troubleshooting guides
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Old 10-25-2013, 04:58 PM
Graham's Avatar
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Join Date: Nov 2004
Location: Ontario, Canada
Posts: 3,286
Previously you said it was a 74 450SL. Was that incorrect or is this a different car? If it is a 78, there is are some links on BW 107 site in stickies that might help diagnosing your problem.
85 300D14 GLK250,72 350SL, 98 E320
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